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How hard is it to find a 4-leaf clover? + more Saint Patrick’s Day activities

March 10, 2019

Shamrocks in Ireland are actually be 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover. How rare is finding a 4-leafed clover? How hard do you have to look? What size area of clover must you examine to find one?

More Saint Patrick's Day activities

Green, green river - They're doing it again. In Chicago, the local plumbers union "dye" the Chicago River emerald green. Students learn the meaning of PPM (parts per million) and attempt to figure out how much dye is used to sufficiently color the river.

CCSS: 5.MD, 6.RP, 6.G, 7.RP, 7.G

McDonald's seasonally serves its Shamrock Shake for Saint Patrick's Day. Add a little nutrition math to your celebration. In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would be left for our day's meal allotment after we had lunch and a Shamrock Shake at McDonald's.